88 results about "Teeth missing" patented technology

The invention relates to a method for designing and manufacturing a repair-orientated planting bone augmentation guide plate. The method comprises the following steps: shooting CT of a patient to obtain a planting three-dimensional space; carrying out intraoral three-dimensional scanning or scanning a gypsum model to obtain patient data; fusing the two parts of data; designing missing teeth and a tooth long shaft; locating an implant by using the tooth long shaft; adjusting the position and posture of the implant; extracting mesiodistal ortho-tooth half-crown data in the tooth missing region, and increasing the thickness uniformly; measuring the straight line-segment distance between the occlusal surface and the tail end of the implant body; generating a three-dimensional digital model of the planting guide plate; and designing the outer surface of the bone augmentation area after bone graft, increasing the thickness, and reserving a bone grafting material filling hole, thus completing designing and processing. According to the method provided by the invention, the mesiodistal position, the buccolingual position, the torque angle and the shaft inclination degree for oral implantation of the tooth implant can be accurately guided, the accurate bone augmentation operation is realized, the tooth planting risk is reduced, the implant amount and surface form of the allogenic bone augmentation material can be conveniently and accurately controlled, and thus the success rate of the tooth planting operation can be improved.

The invention relates to a mud stirring device for planting loquats, in particular to a quick mud stirring device for planting loquats. Mud can be uniformly stirred by the quick mud stirring device for planting the loquats, and the quick mud stirring device is novel in structure and high in stirring speed. The quick mud stirring device for planting the loquats comprises a left frame, a bottom plate, a right frame, a first slide rail, a stirring frame, first sliders, a push rod, a second slide rail, second sliders, a second rack, a large belt pulley, a tooth-missing gear and the like. The left frame, the first slide rail and the right frame are sequentially arranged on the top of the bottom plate from the left to the right, the first sliders are slidably connected onto the first slide rail, and the stirring frame is arranged on the tops of the first sliders. The quick mud stirring device has the advantages that the mud can be uniformly stirred by the quick mud stirring device, and the quick mud stirring device is novel in structure and high in stirring speed; the mud can cover saplings of the loquats, the root systems of the saplings can be protected, transpiration of water can be reduced, and accordingly the survival rate of the loquats can be increased.

The invention discloses a novel electromechanical automatic feeding device. A hopper is arranged and fixed at a proper position of a hopper seat; a guide post is penetrated into a hole of a rack elbow; a return spring is sleeved on the guide post, and then a rack is arranged in a guide rail of a machine frame; the right end of the guide post is fixed on the hopper seat by using a pin or a bolt and other methods; and during assembling, the rack should be ensured to move smoothly in the guide post and the guide rail, the return spring is compressed appropriately, and a pushing plate is arranged on the feeding device. A driving shaft is arranged at a position vertical to the moving direction of the rack on the machine frame; a tooth-missed gear and a driven chain are arranged on the driving shaft; the rack is ensure to be meshed with the tooth-missed gear, and also the rack is ensured to be able to quickly and accurately reset under the action of the return spring after the meshed gears do not contact each other; and the driving parts such as a frequency conversion speed-adjusting motor, a speed changer, a driving chain wheel, a motor chain wheel, a chain, a motor chain and the like are arranged in the feeding device in turn and are fixed by fixing bolts.

The invention relates to the field of food processing, in particular to canned fruit processing equipment. According to the technical scheme, the canned fruit processing equipment comprises a bracketand a moving mechanism, wherein a pushing mechanism is installed on the bracket, a discharging hopper is embedded on the side, away from the pushing mechanism, of the bracket, a pillar is installed atthe bottom of the discharging hopper, and a collection box is placed on the ground of the lower side of the discharging hopper; the moving mechanism is installed at the top of the bracket, a tooth missing gear is arranged on the moving mechanism, a rotating shaft V is rotatably arranged on the side, close to the tooth missing gear, of the bracket, a spur gear is installed on the rotating shaft V,and the spur gear is matched with the tooth missing gear. According to the equipment, fruit can be inserted on a fixing rod through the pushing mechanism, so that the fruit can be convenient to feed,and through the moving mechanism, a cutting knife can move backwards to peel the fruit, so that the fruit can be convenient to process.

It relates to a solid lubrication fine wave filter drive device. It integrates the design of the decelerator component, output drive mechanism and servo generator to ensure the precision drive on structural basis. The input dual gear can cause offset rotation through the offset cam, generating two teeth missing differential drive by the teething part of the fixed gear and the output gear. It has arc slot rolling movement channel and installed with bearing on the offset cam. The drive sub teething surface is coated with energy absorbing, noise reducing, wear resistant solid lubricant film with proper resilience to get rid of the stiffness of the structure. It has high precision, reliability, durability, big toque, low energy consumption, light weight.

The invention discloses a novel automatic feeder. A hopper is fixedly arranged at a proper position of a hopper base; a guide post is inserted into a hole of a rack bend part; an offsetting spring is sleeved on the guide post simultaneously; and a rack is arranged in a guide rail of a frame. Meanwhile, the right end of the guide post is fixed on the hopper base by a pin or screw; in the assembly, the smooth movement of the rack in the guide post and the guide rail is guaranteed; the offsetting spring is properly compressed simultaneously; and a material pushing plate is arranged under the conditions. A transmission shaft is arranged at a part where the moving direction of the frame is vertical to that of the rack; a teeth-missing gear and a driven chain are arranged on the transmission shaft in turn; the reliable engagement between the rack and the teeth-missing gear is guaranteed; meanwhile, after the engaged teeth are disengaged from contact, the rack can be rapidly and accurately reset under the action of the offsetting spring. A frequency conversion speed regulating motor, a driving chain wheel of the speed reducer and chains, and other transmission components are arranged.

An open-loop control system that provides control signals to active engine mounts to reduce or eliminate the transfer of engine vibration to a vehicle body structure, where the system uses only a crank signal from the engine as an input. The control system includes an instant crank speed variation sensing processor that receives the crank signal from the engine, where the crank signal is a pulsed signal including missing pulses as a result of teeth missing on the vehicle crank wheel. The crank speed variation sensing processor provides a measurement of the instant crank speed variation of the crank signal and minimizes an error in the measurement as a result of the missing pulses. The crank speed variation sensing processor outputs a crank speed sensing variation signal as a sine wave that identifies order content in the crank pulse signal.

The invention relates to exhaust gas treatment devices and more particular relates to an energy-saving environment-friendly industrial waste gas treatment device. The energy-saving environment-friendly industrial waste gas treatment device comprises a bottom bracket, a supporting bracket, fans, a catalyzing tube, a heating pipe, a catalyst box, a power mechanism, a transmission mechanism, a pushing mechanism and a closing mechanism. Intermittent working of the transmission mechanism and the pushing mechanism can be achieved through a tooth-missing gear arranged on the power mechanism; when thetransmission mechanism works and moves, two fans are driven to suck industrial waste gases into the catalyzing tube, and the catalyst box is heated through being heated by the heating pipe so as to accelerate a reaction between a catalyst in the catalyst box and organic gases in the industrial waste gases; when the pushing mechanism works, two closing grooves are closed, a closed space is formedin the catalyzing tube, the catalyst in the catalyst box and the organic gases in the industrial waste gases have time for a full reaction, the organic gases in the industrial waste gases are thoroughly oxidated, and the purification efficiency of the industrial waste gases is increased.

The invention relates to a two-way cooling type fan which mainly comprises a chassis base, wherein the right side of the chassis base is hinged with a movable rack; a drive motor is fixedly mounted on the movable rack; the motor is connected with a main rotary shaft; the front end of the main rotary shaft is provided with a fan; a shaft sleeve which is welded on the movable rack is connected on the main rotary shaft in a sleeving mode; the left end of the shaft sleeve is hinged with a long connecting rod; the left end of the long connecting rod is fixedly connected with a rack; the lower end of the rack is provided with a front base table for mounting the rack in a horizontal direction in a sliding mode; a gear I is engaged on the rack; a gear II which is coaxial with the gear I is arranged behind the gear I; the upper end of the gear II is engaged with a teeth-missing gear; the lower end of the gear II is engaged with a teeth-missing ring; a gear III and the teeth-missing ring are jointly connected with a main mandrel on axe positions; and the main mandrel is connected with a transposition motor. The two-way cooling type fan can be used for sequentially controlling the fan to deflect leftward, deflect rightward and stop respectively, so that effect of carrying out air cooling on two pieces of processing machinery is achieved. The two-way cooling type fan can be used for remarkably improving air-cooling efficiency.

The invention belongs to the technical field of agricultural planting machinery and in particular relates to a manual mung bean dibbling machine. Aiming at solving the technical problems, the invention provides the manual mung bean dibbling machine which can reduce the labor intensity and can improve the dibbling efficiency. According to the technical scheme, the manual mung bean dibbling machinecomprises a support, supporting plates, a water storage tank, a handle, a first vehicle wheel, a second vehicle wheel, a first belt wheel, a mounting plate, a tooth-missing gear, a second belt wheel,a flat belt and the like, wherein a through a hole is formed in the middle of the support; a first guide hole is formed in the support at the right side of the through hole; the two supporting platesare connected at the top of the support and the water storage tank is connected between the tops of the two supporting plates. According to the manual mung bean dibbling machine provided by the invention, a shovel plate is rightward driven to move rightward; the shovel plate moves rightwards and a groove can be formed on the land; a round block rotates intermittently and intermittent dibbling canbe realized, so that manual grooving is not needed and manual dibbling is not needed, and furthermore, the labor intensity can be reduced and the dibbling efficiency can be improved; a pulling block moves rightward and mud can be leveled, so that mung beans can be covered with the soil.

The invention discloses a workpiece punching device which comprises a support, a vertical slide block, a circular rod, a first electric motor, a threaded drill bit, a fixing device, a working table, a machine frame, a control device and a second electric motor. The support is arranged on the left side of the machine frame. The vertical slide block is installed on the support and provided with a transverse slide block. The circular rod is installed on the transverse slide block. The second electric motor is arranged on the circular rod. The working table is installed on the machine frame through a guide rail. The fixing device is installed on the working table. A tooth-missing gear corresponding to a gear groove is arranged on the machine frame. The control device is electrically connected with the first electric motor and the second electric motor through input, and therefore the procedures of the working table and the threaded drill bit can be effectively distributed without disorder; due to the fixing device, it is effectively avoided that when displacement happens to a workpiece in the punching process, deviation happens during punching.

The invention relates to a feeding device, and more particularly to a power ultrasonic-assisted feeding device for a soil remediation device. The feeding device comprises an overall bracket, a power mechanism, a moving mechanism and an extrusion mechanism. A motor moves intermittently through a teeth missing gear, a power gear I and a power gear II of the moving mechanism; when the teeth missing gear and the power gear I are in engaging transmission, the teeth missing gear and the power gear II exit the engaging transmission; the power gear I rotates to drive the moving mechanism to move, themoving mechanism drives the device to move, the power gear II rotates to drive the extrusion mechanism to move, the extrusion mechanism extrudes soil through an ultrasonic extrusion plate, the ultrasonic extrusion plate emits ultrasonic waves to oscillate the soil, a feeding pulley is driven by the motor to drive a feeding threaded body in a feeding rotating tube to rotate, the soil in a conical storage bucket is transported to the ground, and the device is controlled by a steering mechanism to steer so as to meet more usage requirements.

The invention relates to a method for modifying the flywheel ring gear tooth profile error. The method comprises the following steps that firstly, a flywheel ring gear is dragged through a motor at a constant speed, a revolution speed transducer is used for collecting tooth profile signals of a gear ring, and an oscilloscope is used for recording the tooth profile signals of the gear ring; secondly, under constant-speed revolution, for a gear ring with 2-60 teeth, the pulse width of each tooth profile should be 6o CA under the ideal state, a first tooth is calibrated from a tooth missing signal, and error values of all teeth are recorded to form a MAP graph; thirdly, an engine is in an online working state, the teeth begin to be counted after it is detected that the gear ring lacks the teeth, and ejecting preparation is carried out; fourthly, all errors of the teeth are modified based on 6o CA obtained under the ideal state and the error values which correspond to the tooth numbers and are inquired in the MAP graph obtained in the second step, and the actual angles of the teeth are output after the operation for ejection control. The method can effectively solve the ejection angle and ejection width errors caused by the tooth profile errors, and the angle of the engine can be controlled more accurately.

The invention relates to a grinding device, in particular to a secondary grinding device for ceramic slurry. A whole machine support, a grinding mechanism, a rotating baffle, a fixed wheel, a grindingbarrel, a power mechanism, an overturning mechanism and a stirring mechanism are included; power of a motor can be graded through a tooth missing gear, a power gear I and a power gear II arranged onthe power mechanism; when the power gear I rotates, a power belt wheel 1 drives the grinding mechanism to rotate, and ceramic slurry in the grinding barrel is ground; while the grinding mechanism rotates, power cone teeth drive a pushing cam to move, and the pushing cam pushes the overturning mechanism to extrude a compression spring I to move; the overturning mechanism pushes a grinding gear to slide on a connection key; the grinding gear drives a grinding spiral body to move up and down so that the ceramic slurry can be overturned; and the grinding spiral body overturns when performing grinding, and when the power gear II rotates, the stirring mechanism works so that the ceramic slurry in the grinding barrel can be stirred.

A bone surface anchoring type dental implant design method with a topological optimization structure comprises the following steps of (1) obtaining an oral maxillofacial CT image of a patient, and using the medical image processing software for reconstructing a three-dimensional model of a mandible of the patient, wherein the reconstructed model further comprises a mandibular nerve canal anatomical structure; 2) measuring and evaluating a tooth missing condition and a bone mass condition of an implant implanting part in medical image processing software, determining a position of a repairing base station, and formulating a comprehensive repairing scheme; determining the position and form of the implant, implanting a traditional cylindrical or conical dental implant at a position with sufficient or insufficient bone mass; and designing the bone surface anchoring type implant at the position where the serious bone mass is insufficient. The invention provides the bone surface anchoring type dental implant design method with the topological optimization structure and an implant. The implant is different from a traditional subperiosteal implant and a root-shaped implant, and the bone increment operation is not needed.

The invention relates to a clock recovery method for transmitting EI signals based on the Ethernet. The clock recovery method includes the steps that an EI data package coming from the Ethernet is stored in an FIFO memorizer and buffered, the data package is read through a tooth missing clock CLKG, and EI data of clock tooth missing are output by the FIFO memorizer; the EI data of clock tooth missing are stored in an elastic memorizer, a phase-locked loop outputs synchronizing signals to the elastic memorizer, meanwhile output of the phase-locked loop is input as feedback, the phase-locked loop controls the output clock frequency of the elastic memorizer by monitoring difference between a reading pointer and a writing pointer of the elastic memorizer, if the difference between the reading pointer and the writing pointer is larger than a set value, the clock frequency of the output of the phase-locked loop is reduced, otherwise, the clock frequency of the output of the phase-locked loop is increased, and the elastic memorizer outputs the EI data with clock smoothed. The invention further discloses a clock recovery device for transmitting the EI signals based on the Ethernet. A clock is recovered with two-level buffering adjustment to reduce phase position diffuse movement, smooth missed teeth and recover the clock meeting the related ITU-TG. 823 requirements; a good diffuse movement performance index can be achieved without changing a frame structure.

The invention discloses a high-efficient inner screw copper tube, which relates to the technical field of heat exchange equipment. A groove with continuous helical angles being 34 degrees to 40 degrees, and inner teeth with heights being 0.11mm to 0.16mm and addendum angles being 11 degrees to 25 degrees are designed on an inner surface. According to the high-efficient inner screw copper tube provided by the invention, on the premise of ensuring a tooth form, the technical problems of teeth missing and insufficient tooth height caused by the phenomena that metal fluidity during spinning forming cannot be favorably realized and internal thread tooth slots are not easy to fill when the addendum angles are smaller and the helical angles are larger are effectively solved; and through the matching of the larger helical angles and the smaller addendum angles, the strength of a turbulent flow and a heat exchange area can be improved favorably, a better heat transfer intensifying effect is produced, and the high-efficient inner screw copper tube is simple in structure, and convenient to manufacture.

The invention relates to a textile device, in particular to an automatic cloth cutting machine for textile. The machine comprises a fourth support seat, a motor seat and a processing table, the top ofthe processing table is fixedly connected with a third support seat, the third support seat is internally rotatably connected with a first rotating shaft, the rear end of the first rotating shaft isfixedly connected to a first gear, the top of the motor seat is fixedly connected to a motor, a motor output shaft is fixedly connected to a teeth missing gear, a fourth support seat is internally rotatably connected to a second rotating shaft, the second rotating shaft is fixedly connected to a second gear, a first belt pulley is disposed on the front side of the second gear, a belt is disposed outside the first belt pulley, and a second belt pulley is connected to the other end of the belt. The machine is applicable to a textile operation assembly line, through the meshing action between theteeth missing gear and the two gears, the automatic feeding and cutting action of cloths are completed, and the lifting of blades is completed under the action of the restoring force of a torsion spring. The machine has the advantages of compact structure and high degree of automation, can automatically complete the feeding and cutting action of the cloths, liberates manpower, saves costs and significantly increases production efficiency.

The invention relates to a separating machine. The separating machine comprises a box body, a feeding bin, an air compressor, an upper screen, a lower screen, pin shafts, a rack, a rotating shaft, a tooth-missing gear, a connecting rod, a limiting spring, a motor and a material collecting groove, wherein the feeding bin is arranged at the top end surface of the box body, the material collecting groove is formed in the bottom end surface of the interior of the box body, the air compressor is arranged at the left end surface of the interior of the box body, the upper screen and the lower screenare rotationally connected to the interior of the box body, the rack is connected in the box body in a sliding mode, the connecting rod is fixedly arranged at the right end of the rack, the two ends of the connecting rod are movably connected to the pin shafts, the tooth-missing gear is arranged on the rotating shaft, the rotating shaft is fixedly connected with the output end of the motor, the upper screen is connected to the top end surface of the box body through the limiting spring, and the tooth groove of the tooth-missing gear is meshed with the tooth groove of the rack. By the design, the two screens are driven to rotate in a reciprocating mode through the cooperation of an incomplete gear mechanism and the limiting spring, impurities are enabled to roll on the screens, and the problem that the impurities cannot be screened due to stacking is solved.

The invention relates to a preparation device of a cleaning agent, in particular to a preparation device of a cleaning agent of a hardware galvanized tube. The technical problem to be solved by the invention is that the preparation device of the cleaning agent of the hardware galvanized tube, which can realize complete mixing of ammonium chloride and zinc chloride and enable the proportion of ammonium chloride and zinc chloride to be adjustable, is provided. In order to solve the technical problem, the invention provides the preparation device of the cleaning agent of the hardware galvanized tube. The preparation device comprises a preparation tank, a sliding rail, sliding blocks, springs, a bearing seat, a screw rod, a first helical gear, a nut, a stirring rod, a first motor, a rotation rod, a teeth-missing helical gear and the like, wherein the sliding rail is connected with the bottom in the preparation tank; the sliding blocks are uniformly connected onto the sliding rail slidingly; the spring is connected between every two adjacent sliding blocks and between the sliding block on the right side and the right end of the sliding rail respectively. According to the preparation device, by observing reading on an indication rod, the content of ammonium chloride or zinc chloride can be accurately controlled, so that the mixing proportion of ammonium chloride and zinc chloride can be well controlled, and then the first motor is started.

A variable speed unit is driven by a drive unit to make a tooth-missing large gear of a sheet feed tooth-missing stage gear mesh with a small gear of an input stage gear rotating at a constant speed, to then rotate a rotating shaft of the feeding roller and a cam at a first speed to lift an intermediate plate. If a sheet stacked on the intermediate plate is pressed against the feeding roller, the variable speed unit makes a large gear of the input stage gear and a tooth-missing small gear of the sheet feed tooth-missing stage gear mesh with each other, so that the rotating shaft of the feeding roller is rotated at a second speed faster than the first speed to rotate the feeding roller at a fast speed.